package java_thinking.unit_11._11_13;

import java.util.Map;

/**
 * @Description : 显示所有操作系统环境变量
 * @author: cww
 * @DateTime: 2019-03-19 20:49
 */

public class EnviromentVariables {
    public static void main(String[] args) {
        for (Map.Entry entry:System.getenv().entrySet()){
            System.out.println(entry.getValue());
        }
    }
}
